1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 119Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 119

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6 Rev rsl'" lock adj stment aitlJ unit in full versechec for alignment and al,e marks( Figure 91 bIf In mark and va ve mOlrk do li gn, loosen nuon verse t: Icver and ve upper Dul in ti on requ ire Lo